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2026-04-18 - 16:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sat Apr 18, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248552191120,7sleep10-21swapper/107:06:461
250992115100,8sleep30-21swapper/307:09:563
980221130,0sleep29801-21diskstats12:10:142
248412113103,7sleep20-21swapper/207:06:352
24881210999,7sleep00-21swapper/007:07:050
274492580,1sleep00-21swapper/011:00:000
221082570,0sleep00-21swapper/008:00:180
202292560,0sleep30-21swapper/311:20:173
16122540,0sleep10-21swapper/108:40:161
241742530,0sleep10-21swapper/112:20:181
2528499368,22cyclictest0-21swapper/109:45:201
2528799280,27cyclictest0-21swapper/209:37:462
2528799280,27cyclictest0-21swapper/209:15:402
2528799280,27cyclictest0-21swapper/207:57:212
231562280,0sleep30-21swapper/310:55:183
25287992723,2cyclictest19545-21ntp_states08:25:202
2528799270,26cyclictest0-21swapper/212:30:512
2528799270,26cyclictest0-21swapper/212:03:172
2528799270,26cyclictest0-21swapper/211:51:172
2528799270,26cyclictest0-21swapper/211:27:372
2528799270,26cyclictest0-21swapper/211:20:522
2528799270,26cyclictest0-21swapper/209:58:532
2528799270,26cyclictest0-21swapper/209:58:522
2528799270,26cyclictest0-21swapper/209:46:282
2528799270,26cyclictest0-21swapper/207:34:592
2528499270,26cyclictest0-21swapper/112:39:241
2528499270,26cyclictest0-21swapper/111:54:141
25287992618,7cyclictest0-21swapper/210:44:092
2528799260,25cyclictest0-21swapper/212:27:562
2528799260,25cyclictest0-21swapper/212:17:562
2528799260,25cyclictest0-21swapper/211:32:222
2528799260,25cyclictest0-21swapper/211:14:132
2528799260,25cyclictest0-21swapper/210:50:092
2528799260,25cyclictest0-21swapper/210:20:562
2528799260,25cyclictest0-21swapper/209:52:562
2528799260,25cyclictest0-21swapper/209:34:292
2528799260,25cyclictest0-21swapper/208:34:202
2528799260,25cyclictest0-21swapper/208:22:482
2528799260,25cyclictest0-21swapper/207:54:502
2528499260,25cyclictest0-21swapper/111:16:261
2528799250,24cyclictest0-21swapper/211:15:102
2528799250,24cyclictest0-21swapper/207:39:102
2528499250,24cyclictest0-21swapper/109:02:041
25287992422,2cyclictest0-21swapper/212:08:172
25287992417,7cyclictest0-21swapper/209:04:072
2528799240,23cyclictest0-21swapper/211:44:372
25284992422,2cyclictest0-21swapper/112:12:411
25284992422,2cyclictest0-21swapper/107:21:161
25284992421,3cyclictest0-21swapper/110:08:441
25284992418,6cyclictest0-21swapper/108:59:331
25287992321,2cyclictest0-21swapper/208:17:502
2528799231,21cyclictest0-21swapper/207:28:402
2528799231,21cyclictest0-21swapper/207:23:532
2528799230,23cyclictest0-21swapper/210:45:062
2528799230,22cyclictest0-21swapper/209:11:242
2528499236,15cyclictest0-21swapper/111:00:191
2528499230,22cyclictest0-21swapper/110:18:301
2528499230,22cyclictest0-21swapper/107:56:261
25287992219,3cyclictest0-21swapper/208:39:482
25287992218,3cyclictest0-21swapper/208:58:452
2528799221,20cyclictest0-21swapper/211:57:112
2528799221,20cyclictest0-21swapper/210:56:152
2528799220,21cyclictest0-21swapper/211:03:392
2528799220,21cyclictest0-21swapper/209:28:502
2528799220,21cyclictest0-21swapper/208:05:442
2528799220,21cyclictest0-21swapper/207:10:052
25284992216,6cyclictest0-21swapper/110:01:141
2528499220,21cyclictest0-21swapper/111:40:121
2528499220,21cyclictest0-21swapper/107:15:161
25282992219,2cyclictest0-21swapper/009:59:500
25282992219,2cyclictest0-21swapper/009:59:490
25282992213,8cyclictest0-21swapper/008:50:110
25287992117,3cyclictest0-21swapper/212:38:272
25287992117,3cyclictest0-21swapper/211:37:042
25287992117,3cyclictest0-21swapper/210:32:542
25287992116,4cyclictest0-21swapper/208:11:122
2528799211,19cyclictest0-21swapper/207:47:082
2528799210,3cyclictest0-21swapper/210:09:572
2528799210,3cyclictest0-21swapper/210:00:172
2528799210,3cyclictest0-21swapper/207:41:012
2528799210,20cyclictest0-21swapper/211:06:212
2528799210,20cyclictest0-21swapper/210:35:262
2528799210,20cyclictest0-21swapper/209:07:002
2528799210,20cyclictest0-21swapper/208:50:162
2528799210,20cyclictest0-21swapper/207:19:552
25284992114,7cyclictest0-21swapper/109:27:351
2528499210,3cyclictest0-21swapper/112:03:051
2528499210,20cyclictest0-21swapper/112:25:291
2528499210,20cyclictest0-21swapper/110:59:341
2528499210,20cyclictest0-21swapper/110:41:541
2528499210,20cyclictest0-21swapper/110:22:441
2528499210,20cyclictest0-21swapper/110:12:421
2528499210,20cyclictest0-21swapper/109:12:191
2528499210,20cyclictest0-21swapper/108:38:391
25282992119,1cyclictest749-21snmpd12:03:200
2528299210,20cyclictest0-21swapper/010:16:000
25287992018,1cyclictest749-21snmpd08:00:052
25287992016,3cyclictest0-21swapper/209:22:512
2528799200,20cyclictest0-21swapper/208:40:412
2528799200,19cyclictest0-21swapper/212:21:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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